73728211 has 2 divisors, whose sum is σ = 73728212. Its totient is φ = 73728210.

The previous prime is 73728181. The next prime is 73728217. The reversal of 73728211 is 11282737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73728211 - 2⁹ = 73727699 is a prime.

It is equal to p_4324279 and since 73728211 and 4324279 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73728217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36864105 + 36864106.

It is an arithmetic number, because the mean of its divisors is an integer number (36864106).

Almost surely, 2^73728211 is an apocalyptic number.

73728211 is a deficient number, since it is larger than the sum of its proper divisors (1).

73728211 is an equidigital number, since it uses as much as digits as its factorization.

73728211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 73728211 is about 8586.5133203181. The cubic root of 73728211 is about 419.3190230849.

The spelling of 73728211 in words is "seventy-three million, seven hundred twenty-eight thousand, two hundred eleven".